It is entirely irrelevant because cell phone companies add “analytics” (spyware) as part of their firmware stack… which Google and anyone else cannot block.
Use no cell towers or agree to be tracked. Lol.
Use no cell towers or agree to be tracked. Lol.
Who is that third party cell phone company adding spyware when I buy my Pixel phone from Google?
(Of course, Google can add spyware themselves; but they can also block it.)
TL;DR: He who controls the radio (firmware) pwns your phone.